639.3—Purpose of this part.
         This rule implements  section 3003 of the Transportation Equity Act for the 21st Century (Pub. L. 105-178).  Section 3003 amended  section 5302 of Chapter 53 of Title 49 of the United States Code to allow a recipient to use capital funds to finance the leasing of facilities and equipment on the condition that the leasing arrangements are more cost effective than purchase or construction.
    
    [63 FR 68367, Dec. 10, 1998]